Home / 177,850.13-266,775.20-72,669

Finding the Fourth Proportional to 177,850.13, 266,775.20 and 72,669

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Solution

The fourth proportional to 177,850.13, 266,775.20 and 72,669 is: 109,003.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,850.13 : 266,775.20 = 72,669 : x
  2. Step 2: Convert to fraction form
    177,850.13/266,775.20 = 72,669/x
  3. Step 3: Cross multiply
    177,850.13x = 266,775.20 × 72,669
  4. Step 4: Simplify right side
    177,850.13x = 19,386,287,190.47
  5. Step 5: Solve for x
    x = 19,386,287,190.47/177,850.13
  6. Step 6: Final answer
    x = 109,003.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.